d0f9553ef5
This patch basically enables fast-isel for AIX 64-bit subtarget (previously enabled only for ELF 64). The initial motivation is to introduce branch folding to AIX generated code for correct debug behavior. I also saw some compiling time improvement in a few LLVM test-suite benchmarks. (toast, dbms, cjpeg, burg, etc.) Reviewed By: jsji Differential Revision: https://reviews.llvm.org/D98844
17 lines
460 B
LLVM
17 lines
460 B
LLVM
; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=PPC64
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; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=powerpc64-ibm-aix-xcoff -mcpu=pwr7 | FileCheck %s --check-prefix=PPC64
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define void @t1(i8* %x) nounwind {
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entry:
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; PPC64: t1
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br label %L0
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L0:
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br label %L1
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L1:
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indirectbr i8* %x, [ label %L0, label %L1 ]
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; PPC64: mtctr 3
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; PPC64: bctr
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}
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